Q: Is 604,623 a Prime Number?
A: No, 604,623 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 604623 can be evenly divided by 1 3 43 109 129 327 1,849 4,687 5,547 14,061 201,541 and 604,623, with no remainder.
Since 604,623 cannot be divided by just 1 and 604,623, it is not a prime number.